package com.hnevc.usb;

public class Test {

	public static void main(String[] args) {
		Computer computer = new Computer();
		KeyBoard k = new KeyBoard();
		computer.add(k);
		Mouse m = new Mouse();
		computer.add(m);
		
		Mic mic = new Mic();
		computer.add(mic);
		
		USB voiceBox = new VoiceBox();
		computer.add(voiceBox);
		
		
		computer.powerOn();
		computer.powerOff();
	}

}
